When Tom receives a password from his Chaotic Code Scanner, he is transported to the world of Chaotic. He starts his first Chaotic match against Sam Murakami.
Tom meets Peyton, a strange player who is also his next opponent in the BattleDromes. Tom is thrown off and angered by Peyton's odd behavior, like him choosing his deck with his eyes closed.
When Tom agrees to a match with Klay, Krystella tells Klay of Tom's strategy before Klay faces him, and Klay uses the Flux Bauble to cause major problems for Tom in the match.
Tom and Kaz head to Castle Bodhran in Perim to recover Reggie's missing Scanner, but Tom finds himself wagering his prized card Maxxor in a Challenge Match.
Tom and Kaz are captured by Maxxor in their search for Reggie, and Tom and Maxxor must overcome their distrust for each other for their own survival against the Mipedians.
Kaz is summoned to a secret meeting by Chaor, lord of the Underworld, and is ordered to do battle with a Chaotic player who has a Lord Van Bloot card when the real Lord Van Bloot plans to stage a revolution against Chaor.
Tom looks to unload his Mipedian cards, which portray the lizard-like warriors. He later learns to respect the Mipedians, when one of them rescues him and Peyton.
Tom tags along with Kaz, hoping to get a new scan of his hero, the mighty Maxxor. They are caught in the crossfire of a volcanic battle in Perim, then must brave the ghastly Gloomuck Swamp. And there's an even greater peril ahead.
After winning seven matches in the Crellan Drome, Tom is summoned to battle a CodeMaster. After snagging a new scan in the perilous Pits, Tom feels he's ready to get Chaotic, but he soon finds out that his strategy has a fatal flaw.
A cocky Peyton challenges a chronic loser named Lulu to a Chaotic match, but as he racks up wins, Peyton starts feeling sorry for Lulu and decides to let her win a battle or two. Easier said than done.
Tom teleports to the location he won in his CodeMaster match, the staggering Prexxor Chasm. He unleashes a ferocious, and potentially devastating, force.
The battle against Krystella and Klay continues, with Tom and Kaz close to collapse. But after the boys pull out a win, Krystella and Klay back out of their deal.
Determined to scan Najarin, Tom is camped out at Lake Ken-i-po when the mysterious Creature suddenly heads out on a mission to save Perim's Mugic. So Tom decides to track him into the menacing eye of the Maelstrom.
